#! /usr/bin/env python3

# Copyright 2020 Tier IV, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import re


def pascal2snake(s):
    return re.sub(r'([a-z])([A-Z])', r'\1_\2', s).lower()


def snake2pascal(s):
    return ''.join([w.capitalize() for w in s.split('_')])
